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32 votes
114 answers

Requests for reopen and undelete votes for closed and deleted questions

Since I expect this may prove rather useful, I'm blatantly purloining Asaf's question from Please post general requests for reopen votes as answers below. Beware that "short" ...
14 votes
1 answer

Why was my question deleted?

Why was my question Is the Frog game solvable in the root of a full binary tree? deleted? It was a cross-post, but I followed all recommended advices when doing so. It was also decently upvoted (12+). ...
Vepir's user avatar
  • 611
12 votes
1 answer

Undelete request, Question 290941

Could I request that Question 290941 be undeleted? It is a sensible question, and I spent some time finding a reference for the answer. It was then deleted by the poster - I have no idea why.
Derek Holt's user avatar
  • 36.9k
11 votes
1 answer

Undelete request

This is motivated by this question, see also the comments, and Will Jagy's answer. I was asked to start a formal request, so here it is. A user that has expressed no desire to participate anymore on ...
Andrés E. Caicedo's user avatar
11 votes
0 answers

Can I undelete questions deleted by the OP if I find them interesting?

I am not sure and I could not find anything about the ethical guidelines. A new user recently asked a question, which I've found interesting, as well as others, as it started some discussion, and then ...
domotorp's user avatar
  • 18.6k
8 votes
1 answer

Reviving questions from the PROMYS application?

This elaborates on a comment I made on David Speyer's meta post. Someone posted at least one problem from this year's PROMYS application on MO--without labeling it as such, of course. One concerned ...
Brian Hopkins's user avatar
8 votes
1 answer

Interesting question deleted by author — how to reach out to author to ask to undelete?

"Coloring Gaussian integers based on a numeral system based on powers of $-1+i$" was an interesting question that was recently asked. I left a comment with some relevant keywords and links (...
Alison Miller's user avatar
8 votes
0 answers

Can we bring back the question about Gauss-Legendre nodes and weights?

The question Computing Gauss Legendre Quadrature for Large N was voluntarily removed by its author, after I implied (with a link to Wikipedia) that the answer was trivial and well-known. I have ...
David Ketcheson's user avatar
6 votes
2 answers

Undelete request, Question 67384

An answer to Source and context of $\frac{22}{7} - \pi = \int_0^1 (x-x^2)^4 dx/(1+x^2)$? posted on 9 June 2011 gained 31 upvotes before being deleted by its author on 23 August 2012. Would those who ...
Gerry Myerson's user avatar
4 votes
1 answer

Undelete request, question 23943

NEVER MIND --- the same moderator who suggested I post here has solved the problem by deleting my copy-paste job and undeleting the answer we wanted undeleted. [or maybe it got undeleted by some other ...
Gerry Myerson's user avatar
2 votes
0 answers

Undelete request, question 455497 [duplicate]

I'm asking if question 455497 could be undeleted. It was about multiplicative persistence. Even if the question itself was not that well-prepared, it was a valid question about research (at some level ...
Jukka Kohonen's user avatar
1 vote
1 answer

Undelete a post

Is there any possibility of undeleting a post? I know it was closed years ago as not MO level. So maybe it could be undeleted and then moved to MSE? Just because it hosts a discussion which is ...
ziggurism's user avatar
  • 1,446